<template>
  <div class="login-form">
    <Form ref="loginForm"  :model="form" :rules="rules" @keydown.enter.native="handleSubmit">
      <FormItem prop="userName">
        <Input v-model="form.userName" placeholder="请输入用户名">
           <span slot="prepend">
          <Icon :size="16" type="ios-person" style="color:#a09e9e;"></Icon>
        </span>
        </Input>
      </FormItem>
      <FormItem prop="password">
        <Input type="password" v-model="form.password" placeholder="请输入密码">
          <span slot="prepend">
          <Icon :size="14" type="md-lock" style="color:#a09e9e;"></Icon>
        </span>
        </Input>
      </FormItem>
      <FormItem>
        <Button @click="handleSubmit" type="primary" long>登录</Button>
      </FormItem>
    </Form>
  </div>
</template>
<script>
export default {
  name: "LoginForm",
  props: {
    userNameRules: {
      type: Array,
      default: () => {
        return [{ required: true, message: "账号不能为空", trigger: "blur" }];
      }
    },
    passwordRules: {
      type: Array,
      default: () => {
        return [{ required: true, message: "密码不能为空", trigger: "blur" }];
      }
    }
  },
  data() {
    return {
      form: {
        userName: "",
        password: ""
      }
    };
  },
  computed: {
    rules() {
      return {
        userName: this.userNameRules,
        password: this.passwordRules
      };
    }
  },
  methods: {
    handleSubmit() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.$emit("on-success-valid", {
            userName: this.form.userName,
            password: this.form.password
          });
        }
      });
    }
  }
};
</script>
<style lang="less">
  .login-form{
    width: 300px;
    margin: auto;
  }
</style>

